Ningbo Yinzhou Huakang Engineer Hydraulic Fittings Factory was found in 1995 and is called HKH for short . It is a professional manufacturer in producting various types of spare parts for piston pump, axial pump, through pump, hydraulic motor etc., including REXROTH, SAUER, CATERPILLAR, LINDE , KOMATSU, HITACHI, LIEBHERR, TOSHIBA, etc. HKH products are of long life and stable capability . Our qualified products & reasonable price had won a good reputation both at home market & overseas Since HKH was established, we have been keeping hard working to create HKH international brand, having established quality management systems and passed the certification of ISO9001.
EATON SERIES: 3321/3331, 4621/4631, 5421/5431, 7621
Most replacement parts can be provided, please contact us.